The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 02, 2005
Filed:
Nov. 05, 2002
Applicants:
Masahiko Ueda, Musashino, JP;
Tetsuya Yamamoto, Kodaira, JP;
Inventors:
Masahiko Ueda, Musashino, JP;
Tetsuya Yamamoto, Kodaira, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J011/44 ;
U.S. Cl.
CPC ...
Abstract
A plurality of current patterns with regard to driving current which flows in a driving motor for a ribbon winding shaft are set in advance. The driving motor is driven based on the current pattern selected from a plurality of current patterns on an operation panel. The plurality of current patterns are set in advance so that the tension applied to the ink ribbon, which is between a printing head and a ribbon winding shaft, is an approximate predetermined value from the start to the end of ribbon winding according to the kind of the ink ribbon installed on a ribbon supply shaft.